Portion of a display screen



The FIGURE is a front view of an image for a portion of a display screenshowing our new design.

The broken line showing of the interior rectangle and the unshaded areathere within form no part of the claimed design. The broken line showingof the portion of a display screen is for illustrative purposes only andforms no part of the claimed design.

The ornamental design for an image for a portion of a display screen, asshown and described.